Mixing head for mixing at least two plastic-forming components

Details Mixing head for mixing at least two plastic-forming components Mixing head for mixing at least two plastic-forming components

1987-08-05

1988-09-20

Simone, Timothy F.

Agitating

Having specified feed means

Plural related feeders having separate outlets to mixing...

366189, 366267, 422133, 422135, 422224, B01F 504

Patent

active

047721294

ABSTRACT:
A mixing head is created for mixing two plastic-forming components, having a mixing chamber and an ejection piston guided in a passage of the same cross section, in which, while retaining the mechanical self-clearing of the exit passage and mixing chamber by the eject piston and an intensive mixing of the reaction components, a quieting of the liquid component mixture after leaving the mixing chamber is achieved by providing a transversely movable choke member at the downstream end of the mixing chamber. When the choke member is in the choke position, one side of it situated in the exit passage forms a choke gap expanding diffuser-like toward the exit opening of the exit passage, and in a cleaning position, a cavity which it contains is brought into alignment with the exit passage, so that the eject piston can perform its passage clearing stroke.

REFERENCES:
patent: 2684690 (1954-07-01), Lee
patent: 4141470 (1979-02-01), Schulte et al.
patent: 4440500 (1984-04-01), Schneider
patent: 4442070 (1984-04-01), Proska et al.

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